WILMINGTON
Illinois — Community Water System — PWSID: IL1971100
System Information
| PWSID | IL1971100 |
| System Name | WILMINGTON |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | WILMINGTON |
| ZIP Code | 60481 |
| Address | 1165 S. WATER ST |
| Organization | GRETENCORD, JAMES |
| Phone | 815-476-3104 |
Population & Service
| Population Served | 5,700 |
| Service Connections | 2,471 |
Drinking Water Violations (336)
This water system has 336 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | — | — | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2025 | Feb 28, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | — | — | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | — | — | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | No | — | — | — | Resolved | Feb 28, 2025 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MR | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jul 10, 2023 | — | Other | No | No | — | — | — | Resolved | May 15, 2024 | — | |
| Jul 10, 2023 | — | Other | No | No | — | — | — | Resolved | May 15, 2024 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 2025 | — | |
| Dec 30, 2022 | — | MR | No | No | — | TT | — | Resolved | Jan 5, 2023 | — | |
| Dec 30, 2022 | — | MR | No | No | — | TT | — | Resolved | Jan 5, 2023 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | TT | — | Resolved | Mar 31, 2022 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | — | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | — | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | — | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | — | — | — | Resolved | Feb 29, 2016 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | — | — | Resolved | Jan 31, 2016 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | — | — | Resolved | Jan 31, 2016 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | — | — | Resolved | Jan 31, 2016 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | — | — | Resolved | Jan 31, 2016 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2007 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.